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Proceedings Paper

Interpolating MERIS and GPS measurements of precipitable water vapour (PWV) to estimate atmospheric phase delay maps
Author(s): P. Mateus; G. Nico; J. Catalão
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Paper Abstract

Atmosphere water vapour remains the largest limitation in high precision applications that make use of microwave signals as Interferometric Synthetic Aperture Radar (InSAR). In the last decade several methods like GPS (Global Positioning System), MERIS (MEdium Resolution Imaging Spectrometer) and NWP (Numerical weather prediction) models were studied with the aim of obtaining a reliable water vapour product of high spatial and temporal resolution to reduce the impact that the water vapour have on microwave signals. Water vapour product derived from the optical sensor MERIS may be used to mitigate the troposphere effects in applications like InSAR and used to improve NWP models. In this paper the water vapour derived from MERIS and GPS are compared, and a methodology to combine GPS and MERIS is present.

Paper Details

Date Published: 28 October 2010
PDF: 9 pages
Proc. SPIE 7827, Remote Sensing of Clouds and the Atmosphere XV, 782713 (28 October 2010); doi: 10.1117/12.864731
Show Author Affiliations
P. Mateus, Univ. of Lisbon (Portugal)
G. Nico, Univ. of Lisbon (Portugal)
J. Catalão, Univ. of Lisbon (Portugal)

Published in SPIE Proceedings Vol. 7827:
Remote Sensing of Clouds and the Atmosphere XV
Richard H. Picard; Klaus Schäfer; Adolfo Comeron; Michiel van Weele, Editor(s)

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